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Could you explain how CGroup would prevent page-fault causing more disk IO than allocated to the Control group ?

On most LINUX distro I have seen, running a process that allocate too much memory just freeze the whole use interface.

1- mouse cursor move super slowly 2- it become almost impossible to drag window and close windows ...

If what you are saying it true, simply running critical process (mouse driver, X-Windows, Gnome) in a high priority Cgroup would solve this problem.




The I/O bandwidth controller would appear to be the droid you are looking for.




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